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Açude Epitácio Pessoa (Boqueirão) ano a ano
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| <!DOCTYPE html> | |
| <html lang="pt-BR"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <meta http-equiv="X-UA-Compatible" content="IE=edge"> | |
| <meta name="viewport" content="width=device-width, initial-scale=1"> | |
| <title>Açude de Boqueirão ao longo dos anos</title> | |
| <script data-require="d3@4.0.0" data-semver="4.0.0" src="https://d3js.org/d3.v4.js"></script> | |
| <script src="//d3js.org/d3-scale-chromatic.v0.3.min.js"></script> | |
| <style media="screen"> | |
| html, body { | |
| margin: 0; | |
| padding: 0; | |
| } | |
| .dot { | |
| /*fill: steelblue;*/ | |
| /*stroke: none;*/ | |
| stroke-width: 1.5px; | |
| opacity: 1; | |
| } | |
| .line { | |
| cursor: pointer; | |
| } | |
| .label { | |
| font-family: sans-serif; | |
| font-size: 14px; | |
| cursor: pointer; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <div id="chart"></div> | |
| <script type="text/javascript"> | |
| var | |
| width = 700, | |
| height = 350, | |
| margin = { top: 20, bottom: 20, left: 40, right: 60 }; | |
| var | |
| viewBox = { | |
| width: width + margin.right + margin.left, | |
| height: height + margin.left + margin.right | |
| } | |
| var svg = d3.select("#chart").append("svg") | |
| .attr("viewBox", "0 0 "+viewBox.width+" "+viewBox.height) | |
| .attr("width", "100%"); | |
| var g = svg.append("g") | |
| .attr("transform", "translate(" + margin.left + "," + margin.top + ")"); | |
| var linesGroup = g.append("g").attr("class", "lines"); | |
| var | |
| timeParse = d3.timeParse("%d/%m/%Y"), | |
| x = d3.scaleTime().range([0, width]), | |
| y = d3.scaleLinear().range([height, 0]) | |
| xAxis = d3.axisBottom(x) | |
| .ticks(12) | |
| .tickSize(height + 5) | |
| .tickFormat(d3.timeFormat("%b")); | |
| var line = d3.line() | |
| .curve(d3.curveBasis) | |
| .x(function(d) { return x(d.relativeDate); }) | |
| .y(function(d) { return y(d.gain); }); | |
| d3.json("https://apiteste.insa.gov.br/reservatorios/12172/monitoramento", function(error, data) { | |
| if (error) throw error; | |
| var volumes = data.volumes.map(function(d) { | |
| return { | |
| relativeDate: timeParse(d.DataInformacao.substring(0, d.DataInformacao.length - 4) + "1990"), | |
| year: +d3.timeFormat("%Y")(timeParse(d.DataInformacao)), | |
| volume: +d.Volume, | |
| percent: +d.VolumePercentual | |
| } | |
| }); | |
| var series = d3.nest() | |
| .key(function(d) { return d.year; }) | |
| .entries(volumes); | |
| for (var key in series) { | |
| if (series.hasOwnProperty(key)) { | |
| var init = series[key].values[0].volume; | |
| for (var k in series[key].values) { | |
| if (series[key].values.hasOwnProperty(k)) { | |
| series[key].values[k].gain = Math.round((series[key].values[k].volume - init) * 100) / 100; | |
| } | |
| } | |
| } | |
| } | |
| x.domain(d3.extent(volumes, function(d) { return d.relativeDate })); | |
| y.domain([-150, 320]); | |
| g.append("g") | |
| .attr("class", "axis axis--x") | |
| .call(xAxis); | |
| g.select(".domain").remove(); | |
| g.selectAll(".tick:not(:first-of-type) line").attr("stroke", "#bdc3c7").attr("stroke-dasharray", "5,2"); | |
| g.append("g") | |
| .attr("class", "axis axis--y") | |
| .call(d3.axisLeft(y)) | |
| .append("text") | |
| .attr("transform", "rotate(-90)") | |
| .attr("y", 6) | |
| .attr("dy", "0.71em") | |
| .attr("fill", "#000") | |
| .text("Ganho/perda (hm³)"); | |
| // lines | |
| var years = linesGroup.selectAll(".year") | |
| .data(series) | |
| .enter().append("g") | |
| .attr("class", "serie"); | |
| years.append("path") | |
| .attr("id", function(d) { return "line-" + d.key; }) | |
| .attr("class", "line") | |
| .attr("d", function(d) { return line(d.values); }) | |
| .attr("stroke", "#3498db") | |
| .attr("fill", "none") | |
| .attr("stroke-width", "2") | |
| .attr("opacity", "0.2") | |
| .on("mouseover", function(d) { | |
| d3.select(this).attr("opacity", "1"); | |
| d3.select("#year-" + d.key).attr("opacity", "1"); | |
| }) | |
| .on("mouseout", function(d) { | |
| d3.select(this).attr("opacity", "0.2"); | |
| d3.select("#year-" + d.key).attr("opacity", "0.1"); | |
| }); | |
| // labels | |
| var labels = years.append("text") | |
| .attr("id", function(d) { return "year-" + d.key; }) | |
| .attr("class", "label") | |
| // .attr("x", function(d) { return x(d.values[d.values.length - 1].relativeDate) }) | |
| .attr("x", width) | |
| .attr("y", function(d) { return y(d.values[d.values.length - 1].gain) }) | |
| .attr("dy", "5px") | |
| .attr("fill", "#3498db") | |
| .attr("opacity", "0.1") | |
| .text(function(d) { return d.key; }) | |
| .on("mouseover", function(d) { | |
| d3.select(this).attr("opacity", "1"); | |
| d3.select("#line-" + d.key).attr("opacity", "1"); | |
| }) | |
| .on("mouseout", function(d) { | |
| d3.select(this).attr("opacity", "0.1"); | |
| d3.select("#line-" + d.key).attr("opacity", "0.2"); | |
| }); | |
| var zeroLine = g.append("line") | |
| .attr("x1", 0) | |
| .attr("x2", width) | |
| .attr("y1", y(0)) | |
| .attr("y2", y(0)) | |
| .attr("stroke", "#e74c3c"); | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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